{"id":"vidhyamitra:city-day:dwarka:2178-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2178-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2178-09-20","date_display":"September 20, 2178 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2178,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516820.770833,"kali_year":5280,"ahargana":1928355.2708,"sun":{"sidereal_longitude":149.8098,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":251.22,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.4102,"elapsed_within_tithi_degrees":5.4102},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.22,"elapsed_within_degrees":11.22},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.0298},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2178,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516820.770833,"ahargana":1928355.2708,"kali_year":5280,"ayanamsa_lahiri":26.3496,"grahas":{"sun":{"sidereal_longitude":150.97639600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":254.62069599999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":0.3732},"mars":{"sidereal_longitude":7.7702959999999734,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":172.47189600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":46.904696,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":132.257696,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":53.840596000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":246.4579,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":66.4579,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2178,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516820.770833,"kali_year":5280,"ahargana":1928355.2708,"sun":{"sidereal_longitude":149.8098,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":251.22,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.4102,"elapsed_within_tithi_degrees":5.4102},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.22,"elapsed_within_degrees":11.22},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.0298},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.373,"elongation":101.41},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.373,"opposition_distance":78.59}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:41","sunsetLocal":"18:52","solarNoonLocal":"12:47","dayLengthHours":12.17799734256231,"dayLengthDisplay":"12 Hours 10 Mins 41 Secs","nightLengthDisplay":"11 Hours 49 Mins 19 Secs","moonriseLocal":"14:19","moonsetLocal":"01:04","rahuKala":{"name":"Rāhu Kāla","start":"17:21","end":"18:52","startHours":17.34639375743496,"endHours":18.86864342525525,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:47","end":"14:18","startHours":12.779644753974095,"endHours":14.301894421794383,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:49","end":"17:21","startHours":15.824144089614673,"endHours":17.34639375743496,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:56","startHours":9.53217879595748,"endHours":9.938112040709555,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:31","startHours":7.198062638633036,"endHours":7.522809234434698,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:22","end":"13:11","startHours":12.373711509222018,"endHours":13.185577998726172,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:04","end":"05:53","startHours":5.066913103684632,"endHours":5.878779593188786,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:41","startHours":5.675812970812747,"endHours":6.69064608269294,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:49","end":"15:37","startHours":14.80931097773448,"endHours":15.621177467238635,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.66864342525525,"endHours":19.06864342525525,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:23","startHours":18.86864342525525,"endHours":19.376059981195347,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.61864342525525,"endHours":20.36864342525525,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:22","end":"01:11","startHours":24.37371150922202,"endHours":25.185577998726174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:41","end":"08:13","startHours":6.69064608269294,"endHours":8.212895750513228,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:44","startHours":8.212895750513228,"endHours":9.735145418333516,"quality":"neutral"},{"name":"Labha","start":"09:44","end":"11:15","startHours":9.735145418333516,"endHours":11.257395086153807,"quality":"auspicious"},{"name":"Amṛta","start":"11:15","end":"12:47","startHours":11.257395086153807,"endHours":12.779644753974095,"quality":"auspicious"},{"name":"Kāla","start":"12:47","end":"14:18","startHours":12.779644753974095,"endHours":14.301894421794383,"quality":"inauspicious"},{"name":"Śubha","start":"14:18","end":"15:49","startHours":14.301894421794383,"endHours":15.824144089614673,"quality":"auspicious"},{"name":"Roga","start":"15:49","end":"17:21","startHours":15.824144089614673,"endHours":17.34639375743496,"quality":"inauspicious"},{"name":"Udveg","start":"17:21","end":"18:52","startHours":17.34639375743496,"endHours":18.86864342525525,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:52","end":"20:21","startHours":18.86864342525525,"endHours":20.34639375743496,"quality":"auspicious"},{"name":"Roga","start":"20:21","end":"21:49","startHours":20.34639375743496,"endHours":21.824144089614673,"quality":"inauspicious"},{"name":"Udveg","start":"21:49","end":"23:18","startHours":21.824144089614673,"endHours":23.301894421794383,"quality":"inauspicious"},{"name":"Chala","start":"23:18","end":"00:47","startHours":23.301894421794383,"endHours":24.779644753974097,"quality":"neutral"},{"name":"Labha","start":"00:47","end":"02:15","startHours":24.779644753974097,"endHours":26.257395086153807,"quality":"auspicious"},{"name":"Amṛta","start":"02:15","end":"03:44","startHours":26.257395086153807,"endHours":27.735145418333516,"quality":"auspicious"},{"name":"Kāla","start":"03:44","end":"05:13","startHours":27.735145418333516,"endHours":29.212895750513226,"quality":"inauspicious"},{"name":"Śubha","start":"05:13","end":"06:41","startHours":29.212895750513226,"endHours":30.69064608269294,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.69064608269294,"endHours":7.69064608269294,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.69064608269294,"endHours":8.69064608269294,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.69064608269294,"endHours":9.69064608269294,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.69064608269294,"endHours":10.69064608269294,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.69064608269294,"endHours":11.69064608269294,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.69064608269294,"endHours":12.69064608269294,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.69064608269294,"endHours":13.69064608269294,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.69064608269294,"endHours":14.69064608269294,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.69064608269294,"endHours":15.69064608269294,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.69064608269294,"endHours":16.69064608269294,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.69064608269294,"endHours":17.69064608269294,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.69064608269294,"endHours":18.69064608269294,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.69064608269294,"endHours":19.69064608269294,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.69064608269294,"endHours":20.69064608269294,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.69064608269294,"endHours":21.69064608269294,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.69064608269294,"endHours":22.69064608269294,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.69064608269294,"endHours":23.69064608269294,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.69064608269294,"endHours":24.69064608269294,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.69064608269294,"endHours":25.69064608269294,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.69064608269294,"endHours":26.69064608269294,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.69064608269294,"endHours":27.69064608269294,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.69064608269294,"endHours":28.69064608269294,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.69064608269294,"endHours":29.69064608269294,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.69064608269294,"endHours":30.69064608269294,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.063213169003529,"eotMinutes":7.346914761554353,"ayanamsa":26.3496}},"calendars":{"vikram_samvat":2235,"vikram_samvatsara":"Khara","saka_samvat":2100,"saka_samvatsara":"Bahudhānya","bengali_samvat":1585,"malayalam_era":1354,"nanakshahi_year":709,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Navamī · Vikram 2235 Khara · Śaka 2100 Bahudhānya"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi_ingress":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 20, 2178 CE · Dvārakā · Vidhyamitra","description":"September 20, 2178 CE for Dvārakā: Śukla Navamī, sūryodaya 06:41, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2178-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2178-09-20","sa":"https://sa.vidhyamitra.com/city/dwarka/2178-09-20","hi":"https://hi.vidhyamitra.com/city/dwarka/2178-09-20","x-default":"https://vidhyamitra.com/city/dwarka/2178-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:46:37.027Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T09:46:37.027Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:46:37.027Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}